The Motor,hydraulic, cataloged under National Stock Number 4320-01-222-1996, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Undersea Warfare Ctr. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-222-1996 |
| Primary Part Number | 8-52-405 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Undersea Warfare Ctr |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| Constant Displacement Per Revolution | 27.000 CUBIC INCHES |
| Shaft Protrusion Length | 3.938 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.719 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 10.240 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 450.0 |
| Mounting Type | FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8-52-405 PRIMARY | Naval Undersea Warfare Ctr (USA) |
| Reference | Meaning |
|---|---|
| 8-52T-239 | 5/9 Secondary reference Illinois Tool Wks Inc Linac Div |
NSN 4320-01-222-1996 is a Motor,hydraulic, manufactured by Naval Undersea Warfare Ctr, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-222-1996 has 1 manufacturer part number on file: 8-52-405 (Naval Undersea Warfare Ctr).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-284-4506. Verify interchangeability with system specifications before substitution.
Key specifications for 8-52-405: Mounting Hole Quantity: 5; Constant Displacement Per Revolution: 27.000 CUBIC INCHES; Shaft Protrusion Length: 3.938 INCHES NOMINAL IN; Mounting Hole Diameter: 0.719 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4320-01-222-1996 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.